/Engine/Source/Editor/LevelEditor/Public/ILevelEditor.h
Set the filter that should be used to determine the set of objects that should be shown in a details panel when an actor in the level editor is selected
void SetActorDetailsRootCustomization ( [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [FDetailsViewObjectFilter](API\Editor\PropertyEditor\FDetailsViewObjectFilter) > ActorDetailsObjectFilter, [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< [IDetailRootObjectCustomization](API\Editor\PropertyEditor\IDetailRootObjectCustomization) > ActorDetailsRootCustomization )